Magnetocaloric performance of RE₁₁Co₄In₉ (RE = Tb, Er)

2022/02/18 by S. Baran, Altifani Rizky Hayyu, Baran, Stanisław +5
Materials Science · #FOS: Physical sciences #Magnetic and transport properties of perovskites and related materials #Materials Science (cond-mat.mtrl-sci) #Shape Memory Alloy Transformations #Thermal Expansion and Ionic Conductivity

paper · pdf · doi:10.48550/arxiv.2202.09324

openalex publication_date 2022/02/18 · openalex created_date 2025/10/10 · openalex updated_date 2026/07/28

Abstract

The magnetocaloric effect in RE₁₁Co₄In₉ (RE = Tb, Er) has been studied by means of magnetometric measurements in the function of temperature and applied magnetic field. The maximum magnetic entropy change (-ΔS_M^max) at magnetic flux density change (Δμ₀H) 0-9 T has been determined to be 5.51 J⋅kg^-1⋅K^-1 at 47.4 K for Tb₁₁Co₄In₉ and 14.28 J⋅kg^-1⋅K^-1 at 12.3 K for Er₁₁Co₄In₉, while temperature averaged entropy change (TEC) with 3 K span equals 5.50 and 14.14 J⋅kg^-1⋅K^-1 for RE = Tb and Er, respectively. The relative cooling power (RCP) and refrigerant capacity (RC) equal respectively 522.1 and 391.2 J⋅kg^-1 in Tb₁₁Co₄In₉ and 605.2 and 463.1 J⋅kg^-1 in Er₁₁Co₄In₉.

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